code: def __init__(self, increment: int):
      self._increment = increment
  
file_path: ray/doc/source/serve/doc_code/model_composition/chaining_example.py
imports: from ray import serve
  from ray.serve.handle import DeploymentHandle, DeploymentResponse
label_desc: Use image node_id 1 to create a new Adder object  with example: obj = Adder(increment)